Five carmakers are involved in a case at the High Court in London over claims that they cheated on emissions tests. A decade ago, the "dieselgate" scandal broke, eventually forcing Volkswagen to pay billions of euros in fines and settlements. These carmakers (Mercedes, Ford, Peugeot/Citroën, Renaul t and Nissan) have all faced accusations that selling cars was more important to them than their environmental responsibilities. They all deny the allegations. ...read more read less